A249345 - cp's OEIS frontend

A249345 The exponent of the highest power of 5 dividing the product of the elements on the n-th row of Pascal's triangle.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	4
6	3
7	2
8	1
9	0
10	8
11	6
12	4
13	2
14	0
15	12
16	9
17	6
18	3
19	0
20	16
21	12
22	8
23	4
24	0
25	44
26	38
27	32
28	26
29	20
30	43
31	36
32	29
33	22
34	15
35	42
36	34
37	26
38	18
39	10
40	41
41	32
42	23
43	14
44	5
45	40
46	30
47	20
48	10
49	0
50	88
51	76
52	64
53	52
54	40
55	82
56	69
57	56
58	43
59	30
60	76
61	62
62	48
63	34
64	20
65	70
66	55
67	40
68	25
69	10
70	64
71	48
72	32
73	16
74	0

[0, 0, 0, 0, 0, 4, 3, 2, 1, 0, 8, 6, 4, 2, 0, 12, 9, 6, 3, 0, 16, 12, 8, 4, 0, 44, 38, 32, 26, 20, 43, 36, 29, 22, 15, 42, 34, 26, 18, 10, 41, 32, 23, 14, 5, 40, 30, 20, 10, 0, 88, 76, 64, 52, 40, 82, 69, 56, 43, 30, 76, 62, 48, 34, 20, 70, 55, 40, 25, 10, 64, 48, 32, 16, 0]

cp's OEIS Frontend

A249345 The exponent of the highest power of 5 dividing the product of the elements on the n-th row of Pascal's triangle.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	4
6	3
7	2
8	1
9	0
10	8
11	6
12	4
13	2
14	0
15	12
16	9
17	6
18	3
19	0
20	16
21	12
22	8
23	4
24	0
25	44
26	38
27	32
28	26
29	20
30	43
31	36
32	29
33	22
34	15
35	42
36	34
37	26
38	18
39	10
40	41
41	32
42	23
43	14
44	5
45	40
46	30
47	20
48	10
49	0
50	88
51	76
52	64
53	52
54	40
55	82
56	69
57	56
58	43
59	30
60	76
61	62
62	48
63	34
64	20
65	70
66	55
67	40
68	25
69	10
70	64
71	48
72	32
73	16
74	0

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	4
6	3
7	2
8	1
9	0
10	8
11	6
12	4
13	2
14	0
15	12
16	9
17	6
18	3
19	0
20	16
21	12
22	8
23	4
24	0
25	44
26	38
27	32
28	26
29	20
30	43
31	36
32	29
33	22
34	15
35	42
36	34
37	26
38	18
39	10
40	41
41	32
42	23
43	14
44	5
45	40
46	30
47	20
48	10
49	0
50	88
51	76
52	64
53	52
54	40
55	82
56	69
57	56
58	43
59	30
60	76
61	62
62	48
63	34
64	20
65	70
66	55
67	40
68	25
69	10
70	64
71	48
72	32
73	16
74	0

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	4
6	3
7	2
8	1
9	0
10	8
11	6
12	4
13	2
14	0
15	12
16	9
17	6
18	3
19	0
20	16
21	12
22	8
23	4
24	0
25	44
26	38
27	32
28	26
29	20
30	43
31	36
32	29
33	22
34	15
35	42
36	34
37	26
38	18
39	10
40	41
41	32
42	23
43	14
44	5
45	40
46	30
47	20
48	10
49	0
50	88
51	76
52	64
53	52
54	40
55	82
56	69
57	56
58	43
59	30
60	76
61	62
62	48
63	34
64	20
65	70
66	55
67	40
68	25
69	10
70	64
71	48
72	32
73	16
74	0